Returning a number of rows within a grid without changing the user preferences

Hi All.

I have an asp page that returns multiple iframe grids. I changed my preferences to a specific grid size to make it look good.

However, I was wondering if I could use the client API side of things to control how many grid rows are returned or remove blank grid lines.

Did anyone (by chance) use crm.grids().rows() ?

I tried a few things, but was unsuccessful.

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I prefer to remove the blanks lines... but if I can set my page to return only 5 grid lines, that would work.

Thoughts?

Stephane